<?php 

#!/bin/bash

preview=0           # Make a preview only

start=0:00:00       # Start position

endpos=5            # End position

fps=13              # Frame per second. The more the better.

output=movie.gif    # Gif file name

scale=240:180       # Gif scale

video=              # Video file name

test=0              # Wether output the command or run it



# mplayer filename [Name of video file]-ao null

#       -ss 0:04:15 [Startposition h:mm:ss]

#       -endpos 15 [duration of gif]

#       -vo gif89a:fps=13 [frames per second]:output=animated.gif [Name of ouput file]

#       -vf scale=240:180 [Dimensions of gif file]

#

# mplayer -ao null -ss 0:03:33 [Startposition h:mm:ss]

#       -endpos 15 [duration of gif] filename.mpg [Name of video file]

#

while getopts v:s:e:f:o:c:pt opt; do

    case ${opt} in

        v)

            video=${OPTARG}

            if [[ ! -e $video ]]; then

                echo "Can\'t access video: ${video}"

                exit 1

            fi

            ;;

        s)

            start=${OPTARG}

            ;;

        e)

            endpos=${OPTARG}

            ;;

        f)

            fps=${OPTARG}

            ;;

        o)

            out=${OPTARG}

            ;;

        c)

            scale=${OPTARG}

            ;;

        p)

            preview=1

            ;;

        t)

            test=1

            ;;

        \?)

            echo 'Missing argument'

            exit 1

            ;;

    esac

done

if [[ $video == '' ]]; then

    echo "Usage ${0} -v movie.avi"

    exit 1

fi



cmd="mplayer ${video} -ao null -ss ${start} -endpos ${endpos}"

if (($preview == 0)); then

    cmd="$cmd -vo gif89a:fps=${fps}:output=${output} -vf scale=${scale}"

fi



if (($test)); then

    echo $cmd

else

    exec $cmd

fi